Texas Instruments
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TXB0108YZPR
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TXB0108YZPR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Level Shifter
  • Characteristics: Bi-directional, 8-bit, voltage level translation
  • Package: 20-pin TSSOP (Thin Shrink Small Outline Package)
  • Essence: Facilitates communication between devices operating at different voltage levels
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage: 1.2V to 3.6V
  • Logic Voltage Levels: 1.2V to 3.6V
  • Data Rate: Up to 100 Mbps
  • Number of Channels: 8
  • Input/Output Capacitance: 5 pF
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TXB0108YZPR has a total of 20 pins, numbered as follows:

  1. OE (Output Enable) 1
  2. A1 (Channel Select) 1
  3. B1 (Channel Select) 2
  4. A2 (Channel Select) 3
  5. B2 (Channel Select) 4
  6. A3 (Channel Select) 5
  7. B3 (Channel Select) 6
  8. VCCA (Voltage Supply) 1
  9. GND (Ground)
  10. VCCB (Voltage Supply) 2
  11. OE (Output Enable) 2
  12. B4 (Channel Select) 7
  13. A4 (Channel Select) 8
  14. B5 (Channel Select) 9
  15. A5 (Channel Select) 10
  16. B6 (Channel Select) 11
  17. A6 (Channel Select) 12
  18. B7 (Channel Select) 13
  19. A7 (Channel Select) 14
  20. OE (Output Enable) 3

Functional Features

  • Bi-directional voltage level translation between two different voltage domains
  • Automatic direction sensing and control
  • Supports bidirectional data flow with no direction control pins required
  • Low power consumption
  • High-speed data transmission up to 100 Mbps
  • Wide operating voltage range

Advantages and Disadvantages

Advantages

  • Simplifies interfacing between devices operating at different voltage levels
  • Eliminates the need for additional level shifting components
  • Provides bidirectional communication without the need for direction control pins
  • Supports high-speed data transmission

Disadvantages

  • Limited to 8-bit data width
  • Requires careful consideration of voltage compatibility between connected devices

Working Principles

The TXB0108YZPR is a voltage level shifter that allows bidirectional communication between devices operating at different voltage levels. It utilizes a combination of MOSFETs and level-shifting circuitry to translate logic signals from one voltage domain to another. The device automatically detects the direction of data flow and adjusts the voltage levels accordingly.

Detailed Application Field Plans

The TXB0108YZPR is commonly used in various applications where voltage level translation is required. Some of the typical application fields include:

  1. Embedded Systems: Facilitates communication between microcontrollers and peripheral devices operating at different voltage levels.
  2. Communication Interfaces: Enables seamless data transfer between devices with different logic voltage levels, such as UART, SPI, and I2C interfaces.
  3. Sensor Networks: Allows integration of sensors with different voltage requirements into a single network.
  4. Industrial Automation: Provides voltage level translation in industrial control systems, allowing interoperability between devices with varying voltage levels.
  5. Consumer Electronics: Enables communication between different components in devices like smartphones, tablets, and gaming consoles.

Detailed and Complete Alternative Models

  1. SN74LV1T34: Single-bit voltage level translator with automatic direction sensing.
  2. PCA9306: Dual-bus voltage level translator with integrated level-shifting circuitry.
  3. TXS0108EPWR: 8-bit bidirectional voltage level shifter with enhanced ESD protection.

These alternative models offer similar functionality to the TXB0108YZPR and can be considered as alternatives based on specific application requirements.

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10个与TXB0108YZPR在技术解决方案中的应用相关的常见问题及解答

Sure! Here are 10 common questions and answers related to the application of TXB0108YZPR in technical solutions:

  1. Q: What is TXB0108YZPR? A: TXB0108YZPR is a bidirectional level shifter IC that allows for voltage translation between different logic levels.

  2. Q: What is the voltage range supported by TXB0108YZPR? A: TXB0108YZPR supports voltage translation between 1.2V and 3.6V logic levels.

  3. Q: How many channels does TXB0108YZPR have? A: TXB0108YZPR has 8 channels, allowing for simultaneous translation of up to 8 signals.

  4. Q: Can TXB0108YZPR handle both high-to-low and low-to-high voltage translation? A: Yes, TXB0108YZPR is a bidirectional level shifter, capable of translating signals in both directions.

  5. Q: What is the maximum data rate supported by TXB0108YZPR? A: TXB0108YZPR can support data rates up to 100 Mbps.

  6. Q: Is TXB0108YZPR suitable for I2C communication? A: Yes, TXB0108YZPR is commonly used for voltage translation in I2C communication due to its bidirectional capability.

  7. Q: Can TXB0108YZPR be used with different supply voltages on each side? A: Yes, TXB0108YZPR supports translation between different supply voltages on each side, as long as they fall within the specified range.

  8. Q: Does TXB0108YZPR require external pull-up resistors for I2C applications? A: Yes, external pull-up resistors are required for I2C applications when using TXB0108YZPR.

  9. Q: Can TXB0108YZPR handle level shifting between different logic families? A: Yes, TXB0108YZPR can be used to translate signals between different logic families such as TTL, CMOS, and LVCMOS.

  10. Q: Is TXB0108YZPR available in different package options? A: Yes, TXB0108YZPR is available in various package options, including TSSOP and VQFN, providing flexibility for different PCB layouts and space constraints.

Please note that the answers provided here are general and may vary depending on specific application requirements.